IGCSE Probability

What is the probability of drawing an odd number, then drawing a 6? (no replacement--dependent event)

• 3/8

• 3/7

• 9/56

• 5/37

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Probability

A bag has 2 yellow marbles and 8 brown marbles. Nancy takes out two marbles without replacing the marbles. What is the probability that they will both be yellow?

• 2/19

• 1/10

• 1/25

• 1/45

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Probability

Des buys a pack of Starbursts that has 3 orange, 6 pink, 1 yellow, and 5 red Starbursts.  She puts the candy in the bowl.  If she reaches in and grabs two Starbursts without putting one back, what is the probability that she will pick a pink and then a yellow?

• 1/35
• 7/210
• 6/225
• 2/75

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Probability

If you draw out a red marble, keep it, then draw out a blue marble, is it independent or dependent probability?

• Independent

• Dependent

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Probability

If you flip a coin two times, is it independent or dependent probability?

• Independent

• Dependent

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Probability

Mary is a good student. The probability that she studies and passes her test is 3/5. If the probability that she studies is 8/9. What is the probability that she passes given that she studies? 

• 27/40
• 1.48
• .008
• .0593

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Probability

The probability that a women likes the color blue is 10%. The probability of being a women is 40%. What is the probability that the a women is chose given they liked the color blue? 

• 4
• .4
• .1
• .25

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Probability

The numbers 1 to 20 are each written on a card. The 20 cards are mixed together. Find the probability that the number on the the card is a factor of 24

• 1/20

• 5/20

• 1/2

• 7/20

A fair die is thrown once. Find the probability of obtaining an odd number

• 1/3

• 1/2

• 3/5

• 1/6

a fair coin is tossed and a fair die is rolled. Find the probability of obtaining a 'head' and a 'six'

• 1/2 x 1/6 = 1/12

• 1/2 + 1/6 = 4/6

• 1/8

• 1/7